| Patents for B41J 9 - Hammer-impression mechanisms (955) |
|---|
| 01/13/1981 | CA1093381A1 Stacked blade matrix printer heads |
| 01/07/1981 | EP0021335A1 Electromagnetic device for driving a print element |
| 01/07/1981 | EP0020975A1 Driving circuit for the supply of a current to a coil and its use in a printing device |
| 01/06/1981 | US4243333 Printing apparatus |
| 01/06/1981 | US4243331 Apparatus for adjusting a carriage relative to a platen |
| 01/06/1981 | US4242955 Magnetically actuated equipment |
| 01/06/1981 | CA1092892A1 Dual pitch impact printing mechanism |
| 12/30/1980 | US4242658 Magnetic actuator using modulated flux |
| 12/16/1980 | US4239403 Counterbalanced bidirectional shuttle drive |
| 12/16/1980 | US4239401 Impact printer hammer assembly |
| 12/16/1980 | EP0016816A4 An apparatus and method for producing cyclic motion. |
| 12/10/1980 | EP0019706A1 Print element actuator for a wire printer |
| 12/02/1980 | US4236842 Hammer support for rotary printing apparatus |
| 12/02/1980 | US4236447 Printing column number limiting device |
| 11/25/1980 | US4235167 High speed dual pitch impact printer |
| 11/18/1980 | US4233894 Print hammer mechanism having dual pole pieces |
| 11/12/1980 | EP0018484A1 Electromagnetic circuit with multiple-winding magnetic yoke |
| 11/11/1980 | US4232975 Print hammer control |
| 10/29/1980 | EP0017918A1 Print mechanism and a method of printing alphanumeric characters |
| 10/15/1980 | EP0016816A1 An apparatus and method for producing cyclic motion. |
| 09/30/1980 | CA1086565A1 Print hammer bumper exhibiting dual resiliency characteristics |
| 09/23/1980 | US4224589 Low energy magnetic actuator |
| 09/16/1980 | CA1085676A1 Hammer assembly |
| 09/09/1980 | US4221163 Magnetic hysteresis driven recording element and method |
| 09/04/1980 | WO1980001777A1 Striker assembly for line printers |
| 09/03/1980 | EP0014737A1 Electromagnetic actuator |
| 08/26/1980 | CA1084436A1 Typing machine |
| 08/26/1980 | CA1084337A1 Impact line printer |
| 08/19/1980 | US4218149 Wire printer |
| 08/12/1980 | CA1083487A1 Matrix print head impact energy control |
| 08/12/1980 | CA1083413A1 Printing device |
| 08/06/1980 | EP0013717A1 Control device and system for the print hammer in a rotating type-disc printer |
| 07/29/1980 | US4214837 Disc printers |
| 07/29/1980 | US4214836 Impact print head |
| 07/09/1980 | EP0012812A1 Magnetic modulated-flux actuator |
| 07/01/1980 | US4210404 Printhead compensation arrangement for printer |
| 05/28/1980 | EP0011095A1 Circuit arrangement for synchronizing the moment of the print hammer impact with the character type's arrival at the printing position |
| 05/13/1980 | US4202638 Device for pointwise action on an information carrying medium |
| 05/06/1980 | CA1076960A1 Printer |
| 04/29/1980 | US4200043 Printer hammer assembly |
| 04/08/1980 | US4196667 Print hammer for line printer |
| 04/03/1980 | WO1980000552A1 An apparatus and method for producing cyclic motion |
| 03/25/1980 | US4195277 Moving permanent magnet limited motion actuator |
| 03/19/1980 | EP0008660A1 Structure in the form of a symmetrical magnetic retaining system for release devices with a movable element, e.g. a print hammer |
| 03/11/1980 | US4192230 Printer, provided with an impact device comprising a transducer |
| 03/05/1980 | EP0008436A1 High-speed printer |
| 02/26/1980 | US4190847 Stray ink collector for impact printer |
| 02/26/1980 | US4189998 Print hammer and interposer captivating linkage |
| 02/26/1980 | US4189997 Printer |
| 02/19/1980 | US4189246 Variable print-hammer control for on-the-fly-printing |
| 01/23/1980 | EP0007031A1 Printing apparatus |
| 01/22/1980 | US4184781 Defect detector |
| 01/09/1980 | EP0006479A1 Device for synchronizing the carrier and rotatable printing disk positions in an on-the-fly printer |
| 12/25/1979 | US4180766 Reciprocating linear drive mechanism |
| 12/25/1979 | US4180334 Dot printer |
| 12/11/1979 | US4178108 Apparatus for space synchronizing carrier and rotatable print disk positions in on-the-fly printing |
| 11/13/1979 | US4173927 Printing device |
| 10/30/1979 | CA1065394A1 Drive circuit |
| 08/21/1979 | CA1060706A1 Dot matrix printer |
| 08/14/1979 | US4164180 Impact printer including hammer bank assembly |
| 07/31/1979 | US4162858 Stylus printer impact energy control |
| 06/12/1979 | CA1056310A1 Protection system for hammer drive circuits in impact printers |
| 06/05/1979 | CA1055849A1 Matrix print head repetition rate control |
| 05/15/1979 | CA1054442A1 Ballistic print hammer assembly |
| 05/08/1979 | US4152981 Dual pitch impact printing mechanism and method |
| 04/24/1979 | US4150619 Printer for different character densities |
| 04/10/1979 | US4149132 Method of manufacturing an electromagnet |
| 04/03/1979 | US4147438 Serial printer for typewriters, teleprinters and data processors |
| 02/27/1979 | US4141290 Print hammer for type printers |
| 02/20/1979 | CA1048953A1 Printing apparatus |
| 02/13/1979 | US4138942 Printing device for printing on a continuously moving form |
| 01/30/1979 | US4137513 Matrix print wire solenoid |
| 01/16/1979 | US4134692 High speed impact printer |
| 01/16/1979 | US4134337 Concave impact print hammers |
| 01/16/1979 | US4134336 Half-herringbone support for restricting sideways vibration of comb hammers |
| 01/16/1979 | CA1046419A1 Print rate control system |
| 01/16/1979 | CA1046341A1 Resiliently mounted print magnet |
| 01/09/1979 | US4133422 Typing machine |
| 01/09/1979 | CA1045897A1 Printer head |
| 12/12/1978 | US4129390 Stacked blade matrix printer heads |
| 10/24/1978 | US4121518 High speed printer hammer assembly |
| 10/03/1978 | US4118129 Rotary wheel printing system |
| 09/26/1978 | CA1039217A1 Rotary wheel printing system |
| 09/19/1978 | US4114532 Impact printer magnet assembly |
| 08/29/1978 | USRE29745 Printer |
| 08/29/1978 | CA1037556A1 Driving circuit for printing electromagnet |
| 08/29/1978 | CA1037312A1 Hammer bank move control system |
| 08/15/1978 | US4106406 Print hammer apparatus |
| 08/08/1978 | US4105341 Print element having flexible characters |
| 08/01/1978 | US4103617 Hammer energy impact control using read only memory |
| 07/25/1978 | US4102265 Hammer driver controller for impact printers |
| 05/23/1978 | US4091235 Printer and control circuit therefor |
| 05/16/1978 | US4089263 Impact printer |
| 04/11/1978 | US4083299 Electromagnetic striking members selectively actuated in time from alternating current power |
| 03/28/1978 | US4080892 Apparatus for driving dotting hammers of a matrix printer |
| 03/21/1978 | US4079670 Phase lock font position and impact hammer timing control |
| 02/28/1978 | US4075943 High speed actuator for impact line printers |
| 02/14/1978 | US4074068 Flying printing system using type belt |
| 01/31/1978 | US4071877 Drive circuit |
| 01/31/1978 | US4070963 Impact line printer |